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If you’re new to the Photos app on your Mac, understanding how it works can help you manage your pictures better. The Photos app isn’t just about storing images; it’s a tool that manages information about your pictures through a special database. This means your original files stay untouched, even after you edit or organize them.
To find the Photos app, look in your Applications folder or the dock at the bottom or side of your screen. It’s a small application because it doesn’t store pictures directly; instead, it contains instructions and metadata about your images.
One important thing to know is that Photos uses something called a “non-destructive editor.” When you crop, adjust colors, or add effects, the original picture isn’t changed. Instead, all your edits are saved in the database. The image you see on your screen is made up of the original file combined with the instructions stored in the database. If you want to save a particular version outside the app, you need to export it. During export, you can choose what information to include, but keep in mind, each exported version might not have all the details stored in the database. The original photo itself remains unchanged in the library.
Your Photo Library is a package that contains the database, the original image files, and smaller versions like thumbnails and previews that help you browse faster. On Mac, the library is usually stored in your Pictures folder. You can have several libraries if you want, but only the main “System Library” connects to iCloud. On your iPhone or iPad, there is only one Photos Library which you can’t access directly, but it works behind the scenes.
The database inside the library holds all the details about your pictures, such as captions, keywords, faces, objects, and more. This metadata isn’t part of the image file itself but is stored separately and only attached to the exported file if you choose. The original images, however, stay exactly as they were when you first loaded them into Photos, no matter how many edits you make.
When you view your pictures, the Library view shows all your photos in one place. Deleting a picture from here will remove it everywhere, so be careful. You can sort this view by date or other filters to find specific images easily.
Organizing your photos is mainly done with albums. Think of albums like playlists for your images—they don’t hold the actual files but just remember which images should be included. This means the same photo can be in multiple albums without taking up extra space, which makes organizing large collections much easier.
You can also group albums into folders, much like organizing files on your computer. Folders can contain multiple albums or even other folders, giving you a way to keep everything neat and categorized. However, folders can’t hold pictures directly—they only contain lists of album names.
By understanding these basics, you can better organize, edit, and export your photos while keeping your original files safe. For more tips on managing photos with folders and albums, you can check out detailed guides online.
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